BackgroundWith improved medical outcome in preterm infants, the psychosocial situation of their families is receiving increasing attention. For parents, the birth of a preterm infant is generally regarded as a stressful experience, and therefore many interventions are based on reducing parental stress. Nevertheless, it remains unclear whether parents of children born preterm experience more stress than parents of term-born children, which would justify these interventions. This meta-analysis provides a comprehensive account of parental stress in parents of preterm infants, from birth of the infant through to their adolescence. Mean levels of stress in specific domains of family functioning were investigated, and stress levels in parents of preterm and term infants, and fathers and mothers of preterm infants, were compared. Furthermore, we investigated moderators of parental stress.Methods and FindingsA random-effects meta-analysis was conducted including 38 studies describing 3025 parents of preterm (<37 wk) and low birth weight (<2500 g) infants. Parental stress was measured with two parent-reported questionnaires, the Parenting Stress Index and the Parental Stressor Scale: Neonatal Intensive Care Unit. The results indicate that parents of preterm-born children experience only slightly more stress than parents of term-born children, with small effect sizes. Furthermore, mothers have slightly more stress than fathers, but these effect sizes are also small. Parents report more stress for infants with lower gestational ages and lower birth weights. There is a strong effect for infant birth year, with decreasing parental stress from the 1980s onward, probably due to increased quality of care for preterm infants.ConclusionsBased on our findings we argue that prematurity can best be regarded as one of the possible complications of birth, and not as a source of stress in itself.

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It was concluded that participation in the physical exercise programme not only enhanced physical fitness, but also improved coping behaviour with asthma.

This study presents a comprehensive evaluation of therapeutic motor interventions for children with or at risk for cerebral palsy (CP), examining 50 studies covering the period from 1990 to 2001. The purpose was to review noticeable changes in the scientific quality of the studies and to highlight trends and changes in the nature of the evaluated programmes. Our results were compared with those of Vermeer and Bakx (1990) who reviewed the period from 1980 to 1989. It was concluded that fundamental research with adequate methodology was applied more often in the study period than in the period reviewed by Vermeer and Bakx. However, these developments did not lead to a substantial improvement in the scientific foundation of the interventions under study. Single case studies, combined with efforts to develop measures specifically for children with CP and with high sensitivity, might make more valuable contributions to the scientific justification of therapeutic interventions.

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